unstable hydrocarbon
... unstable gasoline 不稳定汽油 unstable hydrocarbon 不稳定烃 unstable isotope 不稳定同位素 ...
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某轻烃回收装置自投用以来，脱丁烷塔操作压力一直不稳定。
The operation pressure of debutanizer was unstable since a light hydrocarbon recovery unit had been put into use.
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